Thornhill Locksmith | Call: (647) 478-6891 : 24 Hour Emergency Locksmith Thornhill. Locks Supplied & Fitted, Locks Installation, Locks Change, None-Destruction Door Opening. Thornhill Locksmithready 24 hours a day, seven days a week for when you are locked out of your car, home, or office. Thornhill Locksmith technician can be dispatched to your location within 35 minutes. Our locksmith inThornhill technicians have a local reputation for excellent lock services, reliability, being friendly and Professional! Your choice for a locksmith in Thornhill ON should be at least a phone callaway to try our first class service.